Transient-state control method for a hybrid drive system for vehicles
US9518530B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2012 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Feb 4, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/84
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to a method of controlling a hybrid drive system having at least one electric machine and at least one diesel engine. The invention corrects the static torque setpoint Teng,ssp of the diesel engine and is performed in a transient state by constructing a nitrogen oxides (NOx) emission model allowing estimation of the emissions of the diesel engine as a function of torque Teng of the diesel engine; calculating a dynamic NOx emission setpoint NOxsp from the NOx emission model; from the static torque setpoint Teng,ssp determining a dynamic torque setpoint of the diesel engine Tengsp from NOx emission setpoint NOxsp; determining a dynamic torque setpoint of the electric machine Tmotsp as a function of the static torque setpoint Tpwtsp of the drive system and of the dynamic torque setpoint of the diesel engine Tengsp and applying the dynamic torque setpoints to the drive system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.